Across two very different continents, scientists are mapping vast systems of ancient tunnels that were not carved by rivers or humans. In southern Africa, microscopic passageways etched into solid ...

A team of paleontologists found matching dinosaur footprints on what are now two different continents, separated by thousands of miles of ocean. The footprints, dating back to the Early Cretaceous ...

An international team of paleontologists has found matching sets of Early Cretaceous dinosaur footprints on what are now two different continents. An international team of researchers led by SMU ...

The Earth as we see it today is the result of billions of years of changes on the surface of the planet. The movement of tectonic plates determines the arrangement of the continents, and they're ...

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